test_internals.py 文件源码

def test_oc():
    a = asc('a')
    b = desc('a')
    c = asc('b')
    n = nullslast(desc('a'))

    a = OC(a)
    b = OC(b)
    c = OC(c)
    n = OC(n)

    assert str(a) == str(OC('a'))
    assert a.is_ascending
    assert not b.is_ascending
    assert not n.reversed.reversed.is_ascending
    assert str(a.element) == str(b.element) == str(n.element)
    assert str(a) == str(b.reversed)
    assert str(n.reversed.reversed) == str(n)

    assert a.name == 'a'
    assert n.name == 'a'
    assert n.quoted_full_name == 'a'
    assert repr(n) == '<OC: a DESC NULLS LAST>'